Can a virus be killed?
A. Yes, destroying its genome kills it.
B. No, viruses are capable of self-assembly and cannot be permanently killed.
C. Yes, separating the genes from the capsid kills it.
D. No, viruses are non-living and cannot die.
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
Gather Content
· What do you already know about viruses as organisms?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
D. No, viruses are non-living and cannot die.
Clarify Question
· What is the key concept addressed by the question?
o This question addresses whether viruses are alive.
· What type of thinking is required?
o This question is asking you to weigh and judge evidence, or evaluate, to choose the best of the possible answers.
Gather Content
· What do you already know about viruses as organisms?
o Viruses are genetic elements enclosed in protein; they are not considered organisms because they lack many of the features associated with life, including cellular structure, and independent metabolism or replication.
o For this reason viral particles are not called viral cells, but virions, and they are generally not described as living or dead but as active or inactive.
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
o You cannot kill a virus, because they are non-living entities. If they are never really alive, they can never die.
Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
o The question required you to weigh and judge evidence, or evaluate, to choose the best of the possible answers.
o Did you recognize that viruses cannot be killed, since they are not truly alive?
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Why is terrestrial productivity higher in equatorial climates?
A) Productivity increases with temperature. B) Productivity increases with water availability. C) Productivity increases with available sunlight. D) The answer is most likely a combination of the other responses.
Which process in the diagram would occur the most after eating a fatty meal of french fries and ice cream?
A. II
B. I
C. III
D. II and III equally
E. I and II equally
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
Gather Content
· What do you know about the digestion of fats? What other information is related to the question?
Choose Answer
· Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which soil horizon is composed of decomposed
organic material? a. A b. B c. C d. D e. E
Which of the following provides he weakest evidence that mitochondria were once free living prokaryotes
A. Mitochondrial ribosomes resemble those of prokaryotes B. Mitochondria have DNA that is circular and does not have associated protein C. Enzyme pathways on mitochondrial membranes resemble those found on modern prokaryotes membranes D. Mitochondria reproduce by a process similar to binary fission E. Mitochondria and prokaryotes both are found in a variety of sizes